The lock chamber is 600 feet X 110 feet. Your towboat is 150 feet X 35 feet. Which of these tows will require a double lockage?

A
A set-over single
B
4 standard barges abreast next to your boat's head and 3 jumbo abreast in the lead
C
6 jumbo (3 abreast and 2 long) with a standard on each side of your boat
D
9 jumbo barges
E